C02 - The Human Body

Question 1

Define Homeostasis?

Answer 1

When the body uses feedback and control mechanisms to maintain a stable environment.

Question 2

The Body Temperature is regulated to?

Answer 2

37°C.

Question 3

Define Cardiovascular System?

Answer 3

Uses the blood to transport oxygen and nutrients around the body and back to the heart.

Question 4

Define Respiratory System?

Answer 4

Draws air to the lung from where oxygen is absorbed into the blood stream.

Question 5

Define Digestive System?

Answer 5

Uses enzymes to break down food into its component parts.

Question 6

Define Renal System?

Answer 6

Comprises of the kidneys and the urinary tract.

Question 7

Define Musculoskeletal System?

Answer 7

Comprises the bones, muscles, joints and their tissues.

Question 8

Define Sensory System?

Answer 8

Comprises of the eyes and ears.

Question 9

Define Nervous System?

Answer 9

All body systems which need to be controlled and regulated.

Question 10

Define Endocrine System?

Answer 10

Uses chemical messengers that travel to the cells via the blood stream.

Question 11

Define Immune System?

Answer 11

Provides defensive systems to protect the body.

Question 12

Define Integumentary System?

Answer 12

Comprises of the skin, hair and nails.

Question 13

What are the four elements which make up the human body?

Answer 13

• Carbon.
• Oxygen.
• Hydrogen.
• Nitrogen.

Question 14

The average composition of lean human tissues is (4)?

Answer 14

• 65% Water.
• 17% Fats.
• 14% Proteins.
• 4% Acid, Sugars and Minerals.